My first attempt at working with a new has_many relationship is throwing an error in the view when I try to create a new 'rcost' instance linked to a 'resource' (each resource can have multiple costs):
"undefined method `rcosts_path' for #<ActionView::Base:0x715bc60>"
Here is the view (new.html.erb) code that appears to be causing the error (I do not reference rcosts_path anywhere in the view):
<% form_for(@rcost) do |f| %>
Here are my model declarations:
class Resource < ActiveRecord::Base has_many :rcosts end
class Rcost < ActiveRecord::Base belongs_to :resource end
Here is my route declaration:
map.resources :resources, :has_many => :rcosts
I first tried the build method in my rcosts_controller:
@rcost = @resource.rcosts.build
Then tried new and manually setting the foreign key:
@rcost = @resource.rcosts.new @rcost.resource_id = @resource.id
But neither worked.
I'd really appreciate it if someone could tell me what is going wrong and how I can create a new rcost instance associated with an existing resource instance.
Thanks in advance! Mark